Working Remotely Clif Presser cpressergettysburg edu Links Software

Working Remotely Clif Presser cpresser@gettysburg. edu

Links �Software by course: ◦ http: //cs. gettysburg. edu/~cpresser/resourc es/software. html �Resources from today’s colloquium ◦ http: //cs. gettysburg. edu/~cpresser/resourc es/

Outline �Skills �Getting the software. �Transferring files. �Terminal access. �GUI on the network.

Good Skills to Learn �Operating a computer via terminal. �Compiling and running programs outside of a development environment. �Keyboard shortcuts. �Changing environment variables. �Juggling.

Java Development �Java Development Kit (Oracle) ◦ Command line tools �Integrated ◦ ◦ Eclipse Netbeans Dr. Java XCode Development Environment

Good Text Editors �Emacs (Windows and Mac) �Text. Wrangler (Mac) �Notepad 2 (Windows)

Unix-like Tools Windows �Cygwin �Mingw Mac �Applications -> Utilities -> Terminal

Transferring Files �Samba (Windows Shares) ◦ H-Drive: �smb: //studenthome. ms. gettysburg. edu/userna me$ ◦ CS Files: �smb: //dijkstra. cc. gettysburg. edu/username �Use College password. Domain: GETTYSBURG

Secure Transfer Ssh (Windows) Fugu (Mac) CS: dijkstra. cc. gettysburg. edu H-Drive: ftp. gettysburg. edu Port: 222 (not the default) sftp: command line version

Using the Command Line �Navigating ◦ ~/ your home directory ◦ ls list files in the current directory �ls -l �ls -a ◦ cd change the directory �cd. . �cd = cd ~ ◦ pwd reports present working directory

Using the Command Line �Other commands ◦ more and less (read a text file) �SPACE – forward one page �ENTER – forward one line �q – quit ◦ ◦ ◦ cp: copy mv: move (rename) grep: search a file for text apropos: search commands man: get help on a command

Command Line Editing �Left/Right Arrows to edit �<tab> for completion �Ctrl-a Ctrl-e beginning and end �Ctrl-k kill (cut) �Ctrl-y yank (paste) �!<letters> Use to repeat a command.

Command Line Development �Editors ◦ nano ◦ emacs -nw �Compile ◦ javac My. File. java ◦ g++ My. File. C �Execute ◦ java My. File ◦ a. out

Connecting Remotely �ssh ◦ Hosts: gbcs. N. cc. gettysburg. edu �N=1. . 22 ◦ Port: 222 �Commands: ◦ ssh gbcs 3. cc. gettysburg. edu –p 222 –l user ◦ ssh user@gbcs 2. cc. gettysburg. edu: 222

Displaying Remotely (X 11) �X Server: your screen �X Client: program running at the lab. �Software: �ssh Xming, cygwin tunnel: ◦ ssh user@gbcs 5. cc. gettysburg. edu -p 222 –X

Last Notes �A word of warning. �Ask for help. �exit(0)

Slide. Index. Out. Of. Bounds. Exceptio n